<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Echo</title>
</head>
<body>
	<h1>My First Web Page</h1>
	<p id="demo">My First Paragraph.</p>

	<script>
		document.getElementById('demo').innerHTML='My First JavaScript';
	</script>
</body>
</html>